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Finding the Fourth Proportional to 62,448.79, 86,182.49 and 36,969.79

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Solution

The fourth proportional to 62,448.79, 86,182.49 and 36,969.79 is: 51,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,448.79 : 86,182.49 = 36,969.79 : x
  2. Step 2: Convert to fraction form
    62,448.79/86,182.49 = 36,969.79/x
  3. Step 3: Cross multiply
    62,448.79x = 86,182.49 × 36,969.79
  4. Step 4: Simplify right side
    62,448.79x = 3,186,148,556.98
  5. Step 5: Solve for x
    x = 3,186,148,556.98/62,448.79
  6. Step 6: Final answer
    x = 51,020.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.